Base | Representation |
---|---|
bin | 11001111001010101… |
… | …100101011000001000 |
3 | 2122202210222000012201 |
4 | 121321111211120020 |
5 | 423421202130112 |
6 | 20435040245544 |
7 | 2003021615224 |
oct | 317125453010 |
9 | 78683860181 |
10 | 27805505032 |
11 | 10879534528 |
12 | 54800108b4 |
13 | 2811840376 |
14 | 14bac01784 |
15 | acb148257 |
hex | 679565608 |
27805505032 has 32 divisors (see below), whose sum is σ = 53659307520. Its totient is φ = 13497969600.
The previous prime is 27805504933. The next prime is 27805505033. The reversal of 27805505032 is 23050550872.
It is a super-2 number, since 2×278055050322 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a junction number, because it is equal to n+sod(n) for n = 27805504982 and 27805505000.
It is not an unprimeable number, because it can be changed into a prime (27805505033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37657 + ... + 238807.
It is an arithmetic number, because the mean of its divisors is an integer number (1676853360).
Almost surely, 227805505032 is an apocalyptic number.
It is an amenable number.
27805505032 is a deficient number, since it is larger than the sum of its proper divisors (25853802488).
27805505032 is a wasteful number, since it uses less digits than its factorization.
27805505032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201661 (or 201657 counting only the distinct ones).
The product of its (nonzero) digits is 84000, while the sum is 37.
The spelling of 27805505032 in words is "twenty-seven billion, eight hundred five million, five hundred five thousand, thirty-two".
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